the first 30 minutes of the debate spent on taxes. and this issue take up many times throughout the 90 minutes. welcome back to denver in the spin room. let's go now to charles krauthammer with his thoughts on the debate. >> i thought romney won by two touchdowns. you know? when a challenger steps up on the stage that gives stature, when performing the way romney did, i think changes things. it changes momentum. romney campaign is at a terrible month. to the extent people are saying who is this guy? all of a sudden thrk romney shows up. and he's knowledgeable, confident and he's got nerve. he never backed down on any of with obama, i thought he had a weak night. it looked as if he's sitting on a leaf. i can guarantee you had he been behind in the post he would have had it at 47%. the video damaged romney didn't come up. that is somebody thinks all he has to do is get up there, play out the 90 minutes, hold the ball, and win. but he lost. again, it's not going to change the election. but i think it does stop the romney slide. it is not